TITLE

Nonmonotonic plasma density profile due to neutral-gas depletion

AUTHOR(S)
Fruchtman, A.
PUB. DATE
February 2010
SOURCE
Physics of Plasmas;Feb2010, Vol. 17 Issue 2, p023502
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
The dependencies in a gas discharge of the plasma density and of the neutral-gas depletion on the magnetic-field intensity and on the plasma particle flux are studied. It is shown that if plasma particle flux density outward of the discharge is fixed, varying the magnetic field intensity does not affect neutral-gas depletion. When there are plasma end losses along magnetic-field lines while neutral-gas is depleted, an increase in the magnetic field intensity results in a nonmonotonic plasma density profile across field lines. The plasma density then has a local minimum at the center of the discharge.
ACCESSION #
48352265

 

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